Jiangsu 12-storey building forced installation of solar energy

Glaciers melt, floods raging, mudslides... Humans are falling into the quagmire of environmental degradation, and cities are the main cause of climate warming. Anna Tibaijuka, executive director of UN-HABITAT, said that currently cities in the world emit 80% of greenhouse gases, which consumes 75% of global energy.

According to data collected by the large air-conditioning refrigeration market, China consumes 4.6 tons of carbon dioxide from traditional energy sources. There are 655 cities across the country, 95% of which are high-energy buildings, which is three times that of developed countries, especially large-scale public buildings. Energy consumption in air-conditioning, lighting, hot water and other aspects is conservatively forecasted. The annual power consumption per square meter is 10-20 times that of ordinary residential houses, and it is urgent to reduce the energy consumption of urban buildings.

Solar energy, shouldering a low-carbon mission

China has a total construction volume of 43 billion square meters and the building energy consumption accounts for 40% of the total energy consumption of the society. At present, the energy-saving building area that has been built in towns and cities across the country is less than 2.85 billion square meters, accounting for only 16%, and the distance will be completed by 2020. The goal of building energy efficiency up to 65% is a long way to go.

What is the most suitable new energy for Chinese cities? Nuclear energy, wind energy, tidal energy, and photovoltaic solar energy are subject to many conditions due to their high technology and cost. After 20 years of development achievements, the current number of solar water heaters is 150 million square meters, which replaces 30 million tons of conventional energy standard coal each year. Emissions of carbon dioxide can also reach 30 million tons. The solar thermal utilization industry is more in line with the status quo of Chinese cities. The Ministry of Construction's "15th Five-Year Plan for Building Energy Efficiency and 2010 Plan" proposes that by 2015, the penetration rate of solar water heaters for residential use in the country will reach 20% to 30%, with a total of approximately 232 million square meters. By 2020, the average annual replacement energy will be used. The amount will reach 75 million tons of standard coal.

The expert analysis of the large air-conditioning and refrigeration market believes that China promises to reduce its carbon emissions per unit of GDP by 40% to 45% compared to 2005 by 2020. In the future, solar thermal utilization will play an active role in urban construction. According to the calculation of the service life of solar water heaters for 15 years, the cost of solar thermal conversion is only 0.15 yuan/kWh, which is several decades lower than that of photovoltaic power generation and is about twice lower than that of coal power generation. Solar thermal engineering, the effective life of up to 15 years, the total investment recovery only takes 3-5 years.

Hundreds of billions of business opportunities, the feast of the strong

China is at the peak of urbanization. By 2020, buildings will reach 70 billion square meters. To this end, more than 100 cities such as Nanjing, Hangzhou and Suzhou have proposed the idea of ​​building a low-carbon city. Some experts estimated that the overall market size of China's future low-carbon buildings will likely reach tens of trillions of yuan, of which the national solar energy engineering market will account for hundreds of billions of dollars in the future. At present, the engineering market of the solar thermal utilization industry maintains an annual growth rate of 25 to 30%, and the annual sales of the thermal collection engineering market account for 40% of the total. The huge business opportunities provide space for solar companies and distributors to think about.

Although there are currently thousands of solar companies in China, of which 171 have won the bid to go to the countryside, the larger projects in the city are mainly divided by the largest domestic companies such as Sang Le and Huang Ming. Small and medium-sized enterprises can only develop local smaller markets. engineering. Gao Jingping believes that entering the urban engineering market will be a reshuffle for solar energy companies after the solar energy goes to the countryside. As the market gradually regulates, many companies will fall halfway because of the strict construction of solar energy construction projects. Bidding examination and project declaration process, this test of the solar energy technology, financial resources, material resources, manpower, intelligence and endurance, the enterprise engineering maintenance, quality assurance, integrity, construction specifications, funds, network, after-sales service is in place, etc. It is also a comprehensive challenge. It is not that ordinary SMEs may be competent.

Gao Jingping pointed out that the relevant departments of the Jiangsu government attach great importance to solar energy projects ahead of the country. They are strict, scientific, transparent and fair in the management of project filing, bidding process, and review. Relational projects, power projects, cheap projects, poor quality projects, and local projects Get the greatest degree of protection.

Jiangsu 12-storey building forced installation

With the maturing of solar engineering technology and the perfection of engineering inspection and acceptance methods, the urban engineering market has shown signs of being embarrassed. Jiangsu Province requires that from January 1, 2008, all newly-built 12-storey buildings be installed with solar energy. The People's Government of Jiangsu Province passed the "Administrative Measures for Energy Efficiency of Buildings in Jiangsu Province", which took effect on December 1, 2009; the first recommended installation standard of solar water heaters in Jiangsu Province - "Integrated Design and Installation of Solar Water System for Residential Buildings The Acceptance Procedure was also formulated and implemented by the Jiangsu Provincial Engineering Construction Standard Station last year. The mandatory installation policy will activate the huge domestic market.

It is understood that China will establish an accountability system for the government's energy-saving and emission reduction work, implement an accountability system for energy-saving and emission-reduction work, and a one-vote veto system. The completion of energy-saving and emission reduction targets will be linked to the performance of government leaders.

The Ministry of Finance promulgated the “Demonstration and Implementation Plan for Urban Construction of Renewable Energy Buildings”. For the cities included in the demonstration, the central government will provide special subsidies for each demonstrative city of 50-80 million yuan. The local governments at all levels of finance in Jiangsu Province will also arrange certain funds in the budget, subsidize, reward, support key projects for energy-saving and emission reduction, and promote the construction of high-efficiency energy-saving products.